Paladineer Men Outdoor Large Capacity Travel Backpack Hiking Backpack 40L Black oxford MATERIAL&DURABLE-Made of high quality oxford fabric,which characterized by its lightweight, durable, and water-resistant qualities CLASSIC&VERSATILE-Can be usd horizontally like a briefcase or messenger bag, top side up via the handles, and as a backpack LOCK&SECURITY-Every backpack includes a professional unique coded lock to keep your valuables safety,safe travel ERGONOMICS&COMFORT-Padded s-curved shoulder straps and hip pad provides the highest level of comfort and durability;Air mesh back panel with airflow channel for cooling comfort ROOMY&ORGANIZED-40 Liters;Main compartment with an inner lining to accommodate up to a 15.6" laptop;multiple pockets to keep your gear exactly where you need it with organizational pockets